Guarantor Obligations, Maximum Exposure, Percent Of Obligation

No definition available.

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- Definition

Number Of Letters Of Credit Issued

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

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Balance Type:	credit
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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COMMITMENTS AND CONTINGENCIES - Schedule of Guarantees and Indemnifications (Details) $ in Millions	1 Months Ended
	Jan. 31, 2022 USD ($) letterOfCredit	Jan. 01, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 16, 2020 USD ($)
Guarantor Obligations [Line Items]
Exposure of guarantee			$ 4.2	$ 7.3
Eversource Investment LLC \| Letter of Credit
Guarantor Obligations [Line Items]
Maximum borrowing capacity					$ 25.0
North East Offshore LLC
Guarantor Obligations [Line Items]
Ownership interest (in percent)			50.00%
Revolution Wind, LLC
Guarantor Obligations [Line Items]
Maximum Exposure			$ 546.7
Ownership interest (in percent)			50.00%
South Fork Wind, LLC
Guarantor Obligations [Line Items]
Maximum Exposure			$ 7.1
Ownership interest (in percent)			50.00%
Construction-related purchase agreements with third-party contractors \| Sunrise Wind LLC
Guarantor Obligations [Line Items]
Maximum Exposure			$ 465.8
Ownership interest (in percent)			50.00%
Construction-related purchase agreements with third-party contractors \| South Fork Wind, LLC
Guarantor Obligations [Line Items]
Maximum Exposure			$ 207.7
Ownership interest (in percent)			50.00%
OREC Capacity Production \| Sunrise Wind LLC
Guarantor Obligations [Line Items]
Maximum Exposure			$ 15.4
Ownership interest (in percent)			50.00%
Exposure of guarantee			$ 2.2
OREC Capacity Production \| Sunrise Wind LLC \| Subsequent Event
Guarantor Obligations [Line Items]
Exposure of guarantee		$ 11.0
North East Offshore LLC \| Construction-related purchase agreements with third-party contractors
Guarantor Obligations [Line Items]
Maximum Exposure			717.6
North East Offshore LLC \| Performance Guarantee
Guarantor Obligations [Line Items]
Maximum Exposure			$ 1,300.0
Percent of obligations guaranteed			50.00%
North East Offshore LLC \| Payment Guarantee
Guarantor Obligations [Line Items]
Maximum Exposure			$ 62.5
Percent of obligations guaranteed			50.00%
Sunrise Wind LLC \| Construction-related purchase agreements with third-party contractors
Guarantor Obligations [Line Items]
Maximum Exposure			$ 311.5
Sunrise Wind LLC \| OREC Capacity Production
Guarantor Obligations [Line Items]
Maximum Exposure			2.2
Revolution Wind, LLC \| Construction-related purchase agreements with third-party contractors
Guarantor Obligations [Line Items]
Maximum Exposure			419.1
South Fork Wind, LLC
Guarantor Obligations [Line Items]
Letters of credit issued \| letterOfCredit	2
South Fork Wind, LLC \| Letter of Credit
Guarantor Obligations [Line Items]
Line of credit outstanding	$ 4.3
South Fork Wind, LLC \| Construction-related purchase agreements with third-party contractors
Guarantor Obligations [Line Items]
Maximum Exposure			142.1
South Fork Wind, LLC \| Power Purchase Agreement Security
Guarantor Obligations [Line Items]
Maximum Exposure			7.1
South Fork Wind, LLC \| Transmission interconnection
Guarantor Obligations [Line Items]
Maximum Exposure			$ 1.2
Eversource Investment LLC \| North East Offshore LLC
Guarantor Obligations [Line Items]
Ownership interest (in percent)			50.00%
Eversource Investment LLC \| Funding and Indemnification Obligations
Guarantor Obligations [Line Items]
Maximum Exposure			$ 77.0
Eversource Investment LLC \| Funding and Indemnification Obligations \| North East Offshore LLC
Guarantor Obligations [Line Items]
Maximum Exposure			910.0
Eversource Investment LLC \| Letters of Credit
Guarantor Obligations [Line Items]
Maximum Exposure			4.3
Bay State Wind LLC \| Real estate purchase
Guarantor Obligations [Line Items]
Maximum Exposure			2.5
Various \| Surety Bonds
Guarantor Obligations [Line Items]
Maximum Exposure			35.7
Eversource Service \| Lease payments for real estate
Guarantor Obligations [Line Items]
Maximum Exposure			$ 0.5